821570220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{268487}}^1$

素因数の和:268519

約数の個数: 72

約数和(自身を含む): 2638700064

約数和(自身を除く): 1817129844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 268487, 536974, 805461, 1073948, 1342435, 1610922, 2416383, 2684870, 3221844, 4027305, 4564279, 4832766, 5369740, 8054610, 9128558, 9665532, 12081915, 13692837, 16109220, 18257116, 22821395, 24163830, 27385674, 41078511, 45642790, 48327660, 54771348, 68464185, 82157022, 91285580, 136928370, 164314044, 205392555, 273856740, 410785110, 821570220]

約数ペア:

[(1, 821570220), (2, 410785110), (3, 273856740), (4, 205392555), (5, 164314044), (6, 136928370), (9, 91285580), (10, 82157022), (12, 68464185), (15, 54771348), (17, 48327660), (18, 45642790), (20, 41078511), (30, 27385674), (34, 24163830), (36, 22821395), (45, 18257116), (51, 16109220), (60, 13692837), (68, 12081915), (85, 9665532), (90, 9128558), (102, 8054610), (153, 5369740), (170, 4832766), (180, 4564279), (204, 4027305), (255, 3221844), (306, 2684870), (340, 2416383), (510, 1610922), (612, 1342435), (765, 1073948), (1020, 805461), (1530, 536974), (3060, 268487)]